CN108666971B - Overvoltage protection device control system - Google Patents
Overvoltage protection device control system Download PDFInfo
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- CN108666971B CN108666971B CN201810474966.7A CN201810474966A CN108666971B CN 108666971 B CN108666971 B CN 108666971B CN 201810474966 A CN201810474966 A CN 201810474966A CN 108666971 B CN108666971 B CN 108666971B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/20—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
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Abstract
The invention discloses an overvoltage protection device control system, which comprises a voltage detection module, a database reference module, a signal analysis module, an overcurrent fuse module, a controller, an over-temperature fuse module and a fuse module, wherein the database reference module is used for storing a signal; the voltage detection module is used for monitoring real-time voltage information in a line in real time and transmitting the real-time voltage information to the signal analysis module, and the database reference module stores a normal range value of a voltage signal; when the voltage detection module and the database reference module are arranged and the signal analysis module is arranged, the normal range value of the voltage signal can be automatically acquired from the database reference module when the real-time voltage information is detected; meanwhile, the circuit is monitored in an auxiliary mode through the over-temperature fusing module and the over-current fusing module, voltage signals in over-temperature or over-current can be automatically recorded, and the normal range value of the voltage signals is corrected, so that the later voltage protection is facilitated.
Description
Technical Field
The invention belongs to the field of control systems, relates to an overvoltage protection technology, and particularly relates to a control system of an overvoltage protection device.
Background
All the appliances are most vulnerable to the over-high and under-low voltage of the power grid when in use, both industrial equipment and household appliances have a rated voltage, and the voltage range is conventionally set to be 170V-240V (can be seen on the nameplates or specifications of the appliances). If the voltage exceeds the insulation strength and the voltage withstanding value of the electric appliance, the electric appliance can generate heat, break down and burn out or even fire. At present, the situations of burning out and burning out of a large number of electric appliances in a large area are caused by unstable voltage and overhigh and overlow voltage caused by the reasons of zero line theft, equipment aging, technical faults, artificial faults, natural disasters, power failure and power on again and the like, people have serious loss and no claim, and the trouble of labor and property is met, and some overvoltage protection devices are additionally arranged to prevent electric fires and protect the safety of lives and property;
while many current overvoltage protection devices lack an effective control system for the overvoltage protection devices. To solve the above-mentioned drawbacks, a solution is now provided.
Disclosure of Invention
The invention aims to provide an overvoltage protection device control system.
The purpose of the invention can be realized by the following technical scheme:
the overvoltage protection device control system comprises a voltage detection module, a database reference module, a signal analysis module, an overcurrent fusing module, a controller, an over-temperature fusing module and a fusing module;
the voltage detection module is used for monitoring real-time voltage information in a line in real time and transmitting the real-time voltage information to the signal analysis module, the database reference module stores a normal range value of a voltage signal, the signal analysis module automatically acquires the normal range value of the voltage signal from the database reference module when receiving the real-time voltage information, the signal analysis module is used for transmitting an overvoltage signal to the controller when the real-time voltage information exceeds the normal range value of the voltage signal and lasts for a preset time, and the controller drives the fusing module to disconnect the monitoring line when receiving the overvoltage signal;
the overcurrent fuse module is used for automatically disconnecting the monitoring line and transmitting an inquiry signal to the controller when the current in the monitoring line exceeds a preset value, the controller is used for transmitting the inquiry signal to the signal analysis module when receiving the inquiry signal transmitted by the overcurrent fuse module, the signal analysis module is used for recording the current real-time voltage information and marking the real-time voltage information as first modification information when receiving the inquiry signal transmitted by the controller, the signal analysis module is used for transmitting the first modification information to the database reference module, and the database reference module is used for receiving the first modification information transmitted by the signal analysis module and modifying the normal range value of the voltage signal again by combining the first modification information.
Further, the over-temperature fusing module is used for automatically disconnecting the monitoring line and transmitting a verification signal to the controller when the temperature in the monitoring line exceeds a preset value, the controller is used for transmitting the verification signal to the signal analysis module when receiving the verification signal transmitted by the over-temperature fusing module, and the signal analysis module is used for recording the current real-time voltage information and marking the real-time voltage information as second modification information when receiving the verification signal transmitted by the controller;
the signal analysis module is used for transmitting the second modification information to the database reference module, and the database reference module receives the second modification information transmitted by the signal analysis module and modifies the normal range value of the voltage signal again by combining the second modification information.
Further, a display module is also connected to the controller in a communication manner;
the signal analysis module is also used for transmitting the real-time voltage information to the display module, and the display module receives the real-time voltage information transmitted by the controller and displays the real-time voltage information in real time.
Further, a storage module is also connected to the controller in a communication mode;
the signal analysis module is also used for transmitting the real-time voltage information to the storage module, and the storage module receives the real-time voltage information transmitted by the controller and stores the real-time voltage information in real time.
Furthermore, the controller is also connected with an alarm module in a controlling manner, the controller can transmit an alarm signal to the alarm module when receiving the overvoltage signal, and the alarm module can give an alarm when receiving the alarm signal transmitted by the controller.
The invention has the beneficial effects that: when the overvoltage detection device works, the voltage detection module, the database reference module and the signal analysis module are arranged, so that the normal range value of the voltage signal can be automatically acquired from the database reference module when the real-time voltage information is detected, and whether the real-time voltage information is overvoltage or not is judged; meanwhile, the circuit is monitored in an auxiliary mode by means of the over-temperature fusing module and the over-current fusing module, voltage signals in over-temperature or over-current can be automatically recorded, and the normal range value of the voltage signals is corrected, so that the later voltage protection is facilitated; the invention is simple and effective, and is easy to use.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a block diagram of the system of the present invention.
Detailed Description
As shown in fig. 1, the overvoltage protection device control system includes a voltage detection module, a database reference module, a signal analysis module, an overcurrent fuse module, a controller, an over-temperature fuse module, and a fuse module;
the voltage detection module is used for monitoring real-time voltage information in a line in real time and transmitting the real-time voltage information to the signal analysis module, the database reference module stores a normal range value of a voltage signal, the signal analysis module automatically acquires the normal range value of the voltage signal from the database reference module when receiving the real-time voltage information, the signal analysis module is used for transmitting an overvoltage signal to the controller when the real-time voltage information exceeds the normal range value of the voltage signal and lasts for a preset time, and the controller drives the fusing module to disconnect the monitoring line when receiving the overvoltage signal;
the overcurrent fuse module is used for automatically disconnecting the monitoring line and transmitting an inquiry signal to the controller when the current in the monitoring line exceeds a preset value, the controller is used for transmitting the inquiry signal to the signal analysis module when receiving the inquiry signal transmitted by the overcurrent fuse module, the signal analysis module is used for recording the current real-time voltage information and marking the real-time voltage information as first modification information when receiving the inquiry signal transmitted by the controller, the signal analysis module is used for transmitting the first modification information to the database reference module, and the database reference module is used for receiving the first modification information transmitted by the signal analysis module and modifying the normal range value of the voltage signal again by combining the first modification information.
Further, the over-temperature fusing module is used for automatically disconnecting the monitoring line and transmitting a verification signal to the controller when the temperature in the monitoring line exceeds a preset value, the controller is used for transmitting the verification signal to the signal analysis module when receiving the verification signal transmitted by the over-temperature fusing module, and the signal analysis module is used for recording the current real-time voltage information and marking the real-time voltage information as second modification information when receiving the verification signal transmitted by the controller;
the signal analysis module is used for transmitting the second modification information to the database reference module, and the database reference module receives the second modification information transmitted by the signal analysis module and modifies the normal range value of the voltage signal again by combining the second modification information.
Further, a display module is also connected to the controller in a communication manner;
the signal analysis module is also used for transmitting the real-time voltage information to the display module, and the display module receives the real-time voltage information transmitted by the controller and displays the real-time voltage information in real time.
Further, a storage module is also connected to the controller in a communication mode;
the signal analysis module is also used for transmitting the real-time voltage information to the storage module, and the storage module receives the real-time voltage information transmitted by the controller and stores the real-time voltage information in real time.
Furthermore, the controller is also connected with an alarm module in a controlling manner, the controller can transmit an alarm signal to the alarm module when receiving the overvoltage signal, and the alarm module can give an alarm when receiving the alarm signal transmitted by the controller.
When the overvoltage protection device control system works, the voltage detection module, the database reference module and the signal analysis module are arranged, so that the normal range value of a voltage signal can be automatically acquired from the database reference module when real-time voltage information is detected, and whether the real-time voltage information is overvoltage or not is judged; meanwhile, the circuit is monitored in an auxiliary mode by means of the over-temperature fusing module and the over-current fusing module, voltage signals in over-temperature or over-current can be automatically recorded, and the normal range value of the voltage signals is corrected, so that the later voltage protection is facilitated; the invention is simple and effective, and is easy to use.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (3)
1. The overvoltage protection device control system is characterized by comprising a voltage detection module, a database reference module, a signal analysis module, an overcurrent fuse module, a controller, an over-temperature fuse module and a fuse module;
the voltage detection module is used for monitoring real-time voltage information in a line in real time and transmitting the real-time voltage information to the signal analysis module, the database reference module stores a normal range value of a voltage signal, the signal analysis module automatically acquires the normal range value of the voltage signal from the database reference module when receiving the real-time voltage information, the signal analysis module is used for transmitting an overvoltage signal to the controller when the real-time voltage information exceeds the normal range value of the voltage signal and lasts for a preset time, and the controller drives the fusing module to disconnect the monitoring line when receiving the overvoltage signal;
the overcurrent fuse module is used for automatically disconnecting the monitoring line and transmitting an inquiry signal to the controller when the current in the monitoring line exceeds a preset value, the controller is used for transmitting the inquiry signal to the signal analysis module when receiving the inquiry signal transmitted by the overcurrent fuse module, the signal analysis module is used for recording the current real-time voltage information and marking the real-time voltage information as first modification information when receiving the inquiry signal transmitted by the controller, the signal analysis module is used for transmitting the first modification information to the database reference module, and the database reference module is used for receiving the first modification information transmitted by the signal analysis module and modifying the normal range value of the voltage signal again by combining the first modification information;
the over-temperature fusing module is used for automatically disconnecting the monitoring line and transmitting a verification signal to the controller when the temperature in the monitoring line exceeds a preset value, the controller is used for transmitting the verification signal to the signal analysis module when receiving the verification signal transmitted by the over-temperature fusing module, and the signal analysis module is used for recording the current real-time voltage information and marking the real-time voltage information as second modification information when receiving the verification signal transmitted by the controller;
the signal analysis module is used for transmitting second modification information to the database reference module, and the database reference module receives the second modification information transmitted by the signal analysis module and modifies the normal range value of the voltage signal again by combining the second modification information;
the controller is also connected with a storage module in a communication way; the signal analysis module is also used for transmitting the real-time voltage information to the storage module, and the storage module receives the real-time voltage information transmitted by the controller and stores the real-time voltage information in real time.
2. The overvoltage protection device control system of claim 1, wherein a display module is further communicatively coupled to the controller;
the signal analysis module is also used for transmitting the real-time voltage information to the display module, and the display module receives the real-time voltage information transmitted by the controller and displays the real-time voltage information in real time.
3. The overvoltage protection device control system of claim 1, wherein an alarm module is further connected to the controller, the controller transmits an alarm signal to the alarm module when receiving the overvoltage signal, and the alarm module generates an alarm when receiving the alarm signal transmitted by the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810474966.7A CN108666971B (en) | 2018-05-17 | 2018-05-17 | Overvoltage protection device control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810474966.7A CN108666971B (en) | 2018-05-17 | 2018-05-17 | Overvoltage protection device control system |
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| CN108666971A CN108666971A (en) | 2018-10-16 |
| CN108666971B true CN108666971B (en) | 2020-03-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201349072Y (en) * | 2008-12-22 | 2009-11-18 | 南京邮电大学 | High-accuracy over-current protecting socket |
| TW201240257A (en) * | 2011-03-17 | 2012-10-01 | Green Solution Tech Co Ltd | Transistor circuit with protecting function |
| CN103618285B (en) * | 2013-12-06 | 2015-12-23 | 万科思自控信息（中国）有限公司 | A kind of overcurrent excess voltage protection for 4-20mA current input circuit |
| CN205595755U (en) * | 2016-03-15 | 2016-09-21 | 中国神华能源股份有限公司 | High -voltage circuit relaying protection system |
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